the first number is compression and the second extension
longer life and more horsepower Requires less spring pressure for better valve control Reduces the weight of the spring and allows a smaller
or 8 cylinder engines with points
NOTE: All tanks must have a vent fitted in order to avoid pressure build-up in the tank
GM LS Billet Belt drive tensioner complete with Billet Pulley and nose cover
SB Chev & LS Forged H-Beam Conrod Set EACRS6125O3D Chassis / Suspension & Steering the first number is compressionSB Chev & LS Forged H Beam Conrod Set6. 125" Length EACRS6125O3D CRS6125O3D The Eagle ESP H beam connecting rods are a 2 piece, forged, vacuum degassed, 4340 certified steel construction that provides outstanding strength, while still weighing much less than stock rods. Each rod is multi stage heat treated, X rayed, sonic tested, magnafluxed, 100 percent machined and then shot peened to stress relieve the metal. The rods have precision cap alignment